Namesakes
Hungarian Kings and Queens:
1 king
King László I (a.k.a. Ladislas) 1077-1095 
Polish High Dukes and Kings:
3 dukes, 3 kings
Duke Władysław I Herman (a.k.a. Ladislas) 1079-1102
Duke Władysław II the Exile (a.k.a. Ladislas) 1138-1146
Duke Władysław III Spindleshanks (a.k.a. Ladislas) 1202-1206; 1227-1229
King Władysław I (or IV) the Short (a.k.a. Ladislas) 1306-1333
King Władysław II (a.k.a. Ladislas) 1399-1434
King Władysław IV (a.k.a. Ladislas) 1632-1648
Saints:
2 saints, 1 blessed
Saint Ladislaus I of Hungary (a.k.a. Ladislas) 1040-1095
Saint Ladislaus of Hungary (a.k.a. Ladislas) ?-1369
Blessed Władysław of Gielniow (a.k.a. Ladislas) 1440-1505